Viscous settable fluid for lost circulation in subterranean formations

a settable fluid and fluid technology, applied in the direction of solid waste management, borehole/well accessories, sustainable waste treatment, etc., can solve the problems of fluid loss to the subterranean formation, inability to provide such fluid service, and inability to achieve the service provided by such fluid,
US9133386B2Active Publication Date: 2015-09-15HALLIBURTON ENERGY SERVICES INC
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
HALLIBURTON ENERGY SERVICES INC
Publication Date
2015-09-15

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Abstract

A method of treating a well the method including the steps of: (A) forming a fluid including: (i) a shear-thinning aqueous liquid phase; and (ii) an inorganic setting material; wherein the fluid is shear-thinning, pumpable, and settable; and (B) introducing the fluid into the well.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] Not applicable.TECHNICAL FIELD

[0002] The inventions are in the field of producing crude oil or natural gas from subterranean formations. More specifically, the inventions generally relate to controlling drilling fluid loss or other lost circulation in a well.BACKGROUND

[0003] To produce oil or gas, a well is drilled into a subterranean formation that is an oil or gas reservoir. The well is created by drilling a hole into the earth (or seabed) with a drilling rig that rotates a drill string with a drilling bit attached to the downward end. Usually the borehole is anywhere between about 5 inches (13 cm) to about 36 inches (91 cm) in diameter. As upper portions are cased or lined, progressively smaller drilling strings and bits must be used to pass through the uphole casings or liners, which steps the borehole down to progressively smaller diameters.

[0004] While drilling an oil or gas well, a drilling fluid is usually circulated downhole through...

Claims

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